Panthera probably evolved in Asia, but the roots of the genus remain unclear. Genetic studies indicate that pantherine cats diverged from the subfamily Felinae between six and ten million years ago. Fossil records that appear to belong within the Panthera genus reach only 2.0 to 3.8 million years back.
Symbols. 1  The Screech Owl is the sacred bird of Hades. 2  Cypress Tree are the trees sacred to Hades, Aphrodite, and Artemis. 3  Cerberus, was his three headed pet dog is a symbol of his. 4  Snakes were sacred to him due to his previous role as a snake god called Zeus Meilichios.
Heracles, chain in left hand, his club laid aside, calms a two-headed Cerberus, which has a snake protruding from each of his heads, a mane down his necks and back, and a snake tail. Cerberus is emerging from a portico, which represents the palace of Hades in the underworld.